Belfast Weather in December
7.3°C high · 2.1°C low · 77 mm rain · 0.7h sun
Dec is a cool month in Belfast — not peak season, but a good time to avoid crowds.
December at a glance
| Metric | Value |
|---|---|
| Average high | 7.3°C |
| Average low | 2.1°C |
| Rainfall | 77 mm |
| Sunshine | 0.7 hours/day |
| Daylight | 7 hours |
What to pack in December
Pack a warm coat and layers for Belfast in December.
Belfast weather by month
JanFebMarAprMayJunJulAugSepOctNovDec
Frequently asked questions
What is the weather in Belfast in December?
Highs of 7.3°C and lows of 2.1°C, with about 77 mm of rain and 0.7 hours of sunshine per day.
Is December a good time to visit Belfast?
Dec is a cool month in Belfast — not peak season, but a good time to avoid crowds.
What to do in Belfast · Best time to visit Belfast
Climate data: Open-Meteo Historical (ERA5), 1991–2020. CC BY 4.0.